| 摘要 |
PROBLEM TO BE SOLVED: To provide a device in which various heated objects are heated with high efficiency by most suitably arranging a plurality of power feeding parts on a heating chamber wall face, and by optimizing frequency and phase difference of a radiation microwave from respective power feeding parts. SOLUTION: A microwave generation part 1 includes: oscillation parts 2a, 2b; electric power distribution parts 3a, 3b; amplification parts 5a to 5d; the heating chamber 8 to store the heated objects; the power feeding parts 7a to 7d which are arranged on the wall face of the heating chamber 8, to which output of the microwave generation part 1 is transmitted, and the microwave is radiation-supplied into the heating chamber 8; and phase variation parts 4a to 4d inserted into a microwave transmission passage. By variable control of the phase difference and an oscillation frequency of the microwave outputted from the power feeding parts 7a to 7d, reflected electric power against the various heated objects can be suppressed to the minimum, and heating with high efficiency can be achieved. COPYRIGHT: (C)2010,JPO&INPIT
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